Display screen or portion thereof with gaming graphical user interface



FIG. 1 is a front view of a first embodiment of a display screen orportion thereof with gaming graphical user interface, showing our newdesign;

FIG. 2 is a front view of a second embodiment of a display screen orportion thereof with gaming graphical user interface, showing our newdesign; and,

FIG. 3 is a front view of a third embodiment of a display screen orportion thereof with gaming graphical user interface, showing our newdesign.

The broken line at the periphery of the figure illustrates the displayscreen or portion thereof, and the remainder of the broken linesillustrates portions of the gaming graphical user interface. None of thebroken lines form part of the claimed design.

CLAIM The ornamental design for display screen or portion thereof withgaming graphical user interface, as shown and described.